Serial Port Monitor ([ Ссылка ]) is a professional and powerful system utility for RS232/422/485 ports monitoring. COM monitor displays, logs and analyzes all serial port activity in a system.
The tool helps to sniff the Modbus data and has unique playback feature, allowing to play the session to the port again.
RS232 logger from Eltima Software gives an opportunity to view monitoring data in different views - line, dump and table. It also has many filters for more comfort monotoring.
